PIEZOELECTRIC SPEAKER, SPEAKER SYSTEM EMPLOYING IT, AND ELECTRONIC APPARATUS EMPLOYING PIEZOELECTRIC SPEAKER

A piezoelectric loudspeaker includes: a diaphragm; a first piezoelectric material provided in a first area of the diaphragm; and a second piezoelectric material provided in a second area of the diaphragm different from the first area. The second area has a sound reproduction band different from that...

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Bibliographic Details
Main Authors SHINYA MIZONE, JIRO TERADA, SATOSHI KOURA, SHOJI NAKAJIMA
Format Patent
LanguageEnglish
Published 10.08.2004
Edition7
Subjects
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Summary:A piezoelectric loudspeaker includes: a diaphragm; a first piezoelectric material provided in a first area of the diaphragm; and a second piezoelectric material provided in a second area of the diaphragm different from the first area. The second area has a sound reproduction band different from that of the first area. This piezoelectric loudspeaker has a wide reproduction frequency range.
Bibliography:Application Number: AU20030289265